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tynan74
01.07.2019 •
Mathematics
Which graph represents y=⌈x⌉ over the domain 2≤x≤5?
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Ответ:
The domain of a graph is the set of input values the graph can take.
The graph that represents y = [x] over the domain 2≤x≤5 is the 4th graph.
The domain is given as:
The inequalities at 2 and 5 are both "less than or equal to"
In inequalities, "less than or equal to" is represented by a closed circle
This means that, the circles at x = 2 and x =5 on the graph must be a closed circle.
From the given options, we have the following observations
The domain of graph 1 stops at x = 3 with a close circleGraph 2 (beside graph 1) has open circles at x =2 and x = 5The domain of graph 3 (under graph 1) stops at x = 4, with an open circleGraph 4 has closed circles at x =2 and x = 5Hence, the graph that represents y = [x] over the domain 2≤x≤5 is the 4th graph.
Read more about domains at:
link
Ответ:
Step-by-step explanation:
The black circles represent closed intervals, and the white circles represent open intervals.
So, according to function domain given, x = 2 is part of the domain, so must have a black circle. X = 5 is also closed interval, that is part of the domain, so also must have a black circle.
The only graph that has this characteristics is the fourth.
Ответ:
slope is 1/6 the equation is 1/6x - 7
Step-by-step explanation: